import axios from 'axios'
import {ElNotification, ElMessageBox, ElMessage, ElLoading} from 'element-plus'
import {getToken} from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import {tansParams, blobValidate} from '@/utils/ruoyi'
import cache from '@/plugins/cache'
import {saveAs} from 'file-saver'
import useUserStore from '@/store/modules/user'
import {EDGE_STATUS} from '@/constant/Constant';

let downloadLoadingInstance;
// 是否显示重新登录
export let isRelogin = {show: false};

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
    // axios中请求配置有baseURL选项，表示请求URL公共部分
    baseURL: import.meta.env.VITE_APP_BASE_API,
    // 超时
    timeout: 10000
})

// request拦截器
service.interceptors.request.use(config => {
    let edgeId = useUserStore()?.edgeInfo?.edgeId;
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false
    // 是否需要防止数据重复提交
    const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
    //首页监控
    if (getToken() && !isToken && config.url.indexOf('server') < 0) {
        config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    // get请求映射params参数
    if (config.method === 'get' && config.params) {
        if (edgeId) {
            config.params.edgeId = edgeId;
        }

        let url = config.url + '?' + tansParams(config.params);
        url = url.slice(0, -1);
        config.params = {};
        config.url = url;
    }
    if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
        if (typeof config.data === 'object' && edgeId) {
            config.data.edgeId = edgeId;
        }

        const requestObj = {
            url: config.url,
            data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
            time: new Date().getTime()
        }
        const sessionObj = cache.session.getJSON('sessionObj')
        if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
            cache.session.setJSON('sessionObj', requestObj)
        } else {
            const s_url = sessionObj.url;                // 请求地址
            const s_data = sessionObj.data;              // 请求数据
            const s_time = sessionObj.time;              // 请求时间
            const interval = 1000;                       // 间隔时间(ms)，小于此时间视为重复提交
            if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
                const message = '数据正在处理，请勿重复提交';
                console.warn(`[${s_url}]: ` + message)
                return Promise.reject(new Error(message))
            } else {
                cache.session.setJSON('sessionObj', requestObj)
            }
        }
    }
    return config
}, error => {
    console.log(error)
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
        // 未设置状态码则默认成功状态
        const code = res.data.code || 200;
        // 获取错误信息
        const msg = errorCode[code] || res.data.msg || errorCode['default']
        // 二进制数据则直接返回
        if (res.request.responseType === 'blob' || res.request.responseType === 'arraybuffer') {
            return res.data
        }
        //重置状态
        cache.local.set(EDGE_STATUS, 200)
        //license未授权
        if (code == 402) {
            cache.local.set(EDGE_STATUS, 402)
            location.href = import.meta.env.VITE_CONTEXT + 'index.html#/license';
            return;
        }
        //未初始化，到初始化化页面
        if (code == 701) {
            cache.local.set(EDGE_STATUS, 701)
            ElMessageBox.confirm('系统未初始化请先初始化', '系统提示', {
                confirmButtonText: '初始化',
                showCancelButton: false,
                closeOnClickModal: false,
                showClose: false,
                type: 'warning'
            }).then(() => {
                location.href = import.meta.env.VITE_CONTEXT + 'index.html#/init';
            }).catch(() => {
            });
            return;
        }
        if (code === 401) {
            if (!isRelogin.show) {
                isRelogin.show = true;
                ElMessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
                    confirmButtonText: '重新登录',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).then(() => {
                    isRelogin.show = false;
                    useUserStore().logOut().then(() => {
                        location.href = import.meta.env.VITE_CONTEXT + 'index.html';
                    })
                }).catch(() => {
                    isRelogin.show = false;
                });
            }
            return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
        } else if (code === 500) {
            ElMessage({message: msg, type: 'error', offset: 50})
            return Promise.reject(new Error(msg))
        } else if (code === 601) {
            ElMessage({message: msg, type: 'warning', offset: 50})
            return Promise.reject(new Error(msg))
        } else if (code !== 200) {
            ElNotification.error({title: msg, offset: 50})
            return Promise.reject('error')
        } else {
            return Promise.resolve(res.data)
        }
    },
    error => {
        console.log('err' + error)
        let {message} = error;
        if (message == "Network Error") {
            message = "后端接口连接异常";
        } else if (message.includes("timeout")) {
            message = "系统接口请求超时";
        } else if (message.includes("Request failed with status code")) {
            message = "系统接口" + message.substr(message.length - 3) + "异常";
        }
        ElMessage({message: message, type: 'error', duration: 5 * 1000})
        return Promise.reject(error)
    }
)

// 通用下载方法
export function download(url, params, filename, config) {
    downloadLoadingInstance = ElLoading.service({text: "正在下载数据，请稍候", background: "rgba(0, 0, 0, 0.7)",})
    return service.post(url, params, {
        transformRequest: [(params) => {
            return tansParams(params)
        }],
        headers: {'Content-Type': 'application/x-www-form-urlencoded'},
        responseType: 'blob',
        ...config
    }).then(async (data) => {
        const isBlob = blobValidate(data);
        if (isBlob) {
            const blob = new Blob([data])
            saveAs(blob, filename)
        } else {
            const resText = await data.text();
            const rspObj = JSON.parse(resText);
            const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
            ElMessage.error(errMsg);
        }
        downloadLoadingInstance.close();
    }).catch((r) => {
        console.error(r)
        ElMessage.error('下载文件出现错误，请联系管理员！')
        downloadLoadingInstance.close();
    })
}

export default service
